Article:		How to Write a Custom Swing Component
Subject:		fireStateChanged
Date:		2007-02-23 04:37:40
From:		tomgibara
This article, and ones like it are excellent since they teach programmers who are unfamiliar with a domain its idioms, by definition the hardest thing to identify from source code or documentation. I do have one small correction though, the reverse iteration you specify for the fireStateChanged method is not necessary for ensuring that a listener may be removed during event broadcasting - even if it was, it wouldn't work reliably. I can only imagine that this particular pattern of doing things within Swing has simply propagated by being repeatedly copied from the Javadocs for EventListenerList. The original reason for implementing a reverse iteration was probably as an optimisation. If so, it almost certainly wasn't worth it then and isn't worth it now.